An item consisting of three or four parts, two of which form a grooved body and have tapered threads that are held firmly in place by rounded hexagonal nuts.
NSN 4140-00-884-4553
NSN 5930-01-253-6421
NSN 2925-01-426-3410
NSN 4140-01-466-6275
NSN 6610-01-150-7018
NSN 6130-00-248-3259
NSN 5960-00-642-9977
NSN 6240-01-619-8316
NSN 5950-00-804-0734
NSN 6220-01-487-3904
NSN 5975-00-456-0627
NSN 6150-01-048-3472